Marine Cast Iron Manhole Cover
Short Description:
Description of manhole cover: High load rating and strength 1,Similar hard property as cast iron, while have a overwhelming advantage on stretch recovery. 2,Designed to meet and exceed A15/B125/C250/D400 loading rating, according to En124: 199 3,Less noise and lower vibration transmissions. Durable service life. 1,More than 30 years service life without crack and color fading, comparing to 5 years of cast iron. 2,Anti corrosion,water, dust and pets tight, well sealed prevent poisonous gas ...
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Description of manhole cover:
High load rating and strength
1,Similar hard property as cast iron, while have a overwhelming advantage on stretch recovery.
2,Designed to meet and exceed A15/B125/C250/D400 loading rating, according to En124: 199
3,Less noise and lower vibration transmissions.
Durable service life.
1,More than 30 years service life without crack and color fading, comparing to 5 years of cast iron.
2,Anti corrosion,water, dust and pets tight, well sealed prevent poisonous gas leaking out.
3, Without displacement, freely radio signal passing.
4,Higher and lower temperature tolerance with the range -40°C-200°C.
5,Wear indicators available when thread depth is in a danger value.
